/*
 * Copyright (C) 2008 Universidade Federal de Campina Grande
 *  
 * This file is part of OurGrid. 
 *
 * OurGrid is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free 
 * Software Foundation, either version 3 of the License, or (at your option) 
 * any later version. 
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details. 
 * 
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package org.ourgrid.worker.dao;

import java.util.LinkedList;
import java.util.List;

import org.ourgrid.common.interfaces.WorkerSpecListener;
import org.ourgrid.peer.controller.WorkerSpecListenerController;

import br.edu.ufcg.lsd.commune.Application;
import br.edu.ufcg.lsd.commune.container.servicemanager.dao.DAO;

public class WorkerSpecListenerDAO extends DAO {

	//private List<WorkerSpecListener> listeners;
	private WorkerSpecListener broker;
	
	private WorkerSpecListener peer;
	
	public WorkerSpecListenerDAO(Application container) {
		super(container);
		this.broker = null;
		this.peer = null;
		//this.listeners = new LinkedList<WorkerSpecListener>();
	}
	
	public void addWorkerSpecListener(WorkerSpecListener listener){
		if(listener instanceof WorkerSpecListenerController){
			peer = listener;
		}else{
			broker = listener;
		}
		//this.listeners.add(listener);
	}
	
	public List<WorkerSpecListener> getWorkerSpecLIsteners(){
		List<WorkerSpecListener> list = new LinkedList<WorkerSpecListener>();
		if( this.broker != null ) list.add( broker );
		if( this.peer != null ) list.add( peer );
		return list;
	}
	
	public void removeWorkerSpecListener(WorkerSpecListener listener){
		if(listener instanceof WorkerSpecListenerController){
			this.peer = null;
		}else{
			this.broker = null;
		}
	}
	
}
 
